Hi Gary,
Thanks for the response.
Well I heard Opera signals here tonight on 501.80, 502.00 and 502.20. You
may check the Delft websdr (I am using this websdr at the moment as my RX
ant is not back up yet). These users probably have the wrong TX dialed in?
I still think it would be a good thing to allocate a specific part of 500
for (all kinds of) beacons. That way interference will be minimized an
optimal freedom for experimenters (all modes HI) can be assured.
Kind regards,
Minto pa3bca
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Ceterum censeo Carthaginem delendam esse
From: Gary G4WGT
Sent: Thursday, January 05, 2012 22:18
To: [email protected]
Subject: RE: LF: Dual OPERA Beacon 500K OP2+OP15
Hi Minto,
Sorry that you seem to be experiencing a problem from the Opera beacons.
There should be no QRM from Opera as the Tx sub-band is 501.300 to
501.700kHz & would not interfere with your CW QSO's on 502.000 & 502.500kHz.
Also the Opera software will not Tx on an occupied freqency due to it's
agile frequency feature, it will automatically QSY to a clear frequency
within it's sub-band before Txing.
I am monitoring the frequency & I have not seen any Opera signal outside the
limits which I have mentioned above in this email.
73, Gary - G4WGT.
From: [email protected]
To: [email protected]
Date: Thu, 5 Jan 2012 21:47:02 +0100
Subject: Re: LF: Dual OPERA Beacon 500K OP2+OP15
I am not convinced that this Opera beaconing (experiment??) is a good
thing,
that is to say not as it is currently conducted on 500.
For some reason the frequencies that are used are smack in the middle of
the
‘normal’ CW part of 500. Why not go to the (upper) band edge like WSPR?
Already I have experienced some annoying interference, after calling CQ on
502 and/or 502.5 I heard more than one Opera sig on 502.0 and 502.2 –
right
through my CQ. Probably no operator listening or Opera not checking the
QRG?
Just now I heard PA3CW calling CQ on 502.00. Halfway through his CQ an
Opera
beacon started ON EXACT THE SAME FREQUENCY. Dick PA3CW did respond (with
...--..) to the CW-like Opera beacon but to no avail..
So please let’s agree on the band edges for these types of beacons. They
have their use and are fun to work/play with, but as I understand it they
do
not need much bandwidth so moving to a confined area the band edge(s)
should
not be a problem.
And select one. I see (hear) an Italian beacon day and night somewhere
above
501. Another 500 Hz of the 3 KHz allocated lost for CW.
Regards, Minto pa3bca
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Ceterum censeo Carthaginem delendam esse
From: Graham
Sent: Thursday, January 05, 2012 18:35
To: [email protected]
Subject: LF: Dual OPERA Beacon 500K OP2+OP15
All
Running dual beacon OP 2 and OP15
on 500K usb dial set
5 watts carrier power per mode/carrier to 40 ft top loaded vertical
erp ? anyone guess ?
Reports welcome
73 -Graham
G0NBD
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